Merge branch '1894-viewmodel-for-rssfeed-activities' into 'master'

briar-android/src/main/AndroidManifest.xml

...riarproject/briar/android/activity/ActivityComponent.java

.../java/org/briarproject/briar/android/blog/BlogModule.java

...ava/org/briarproject/briar/android/blog/FeedFragment.java

.../org/briarproject/briar/android/blog/RssFeedActivity.java

...a/org/briarproject/briar/android/blog/RssFeedAdapter.java

...t/briar/android/blog/RssFeedDeleteFeedDialogFragment.java

...briar/android/blog/RssFeedImportFailedDialogFragment.java

...riarproject/briar/android/blog/RssFeedImportFragment.java

...riarproject/briar/android/blog/RssFeedManageActivity.java

...riarproject/briar/android/blog/RssFeedManageFragment.java

...org/briarproject/briar/android/blog/RssFeedViewModel.java

...-android/src/main/res/layout/fragment_rss_feed_import.xml

...-android/src/main/res/layout/fragment_rss_feed_manage.xml

briar-android/src/main/res/menu/blogs_feed_actions.xml

briar-android/src/main/res/values-ar/strings.xml

briar-android/src/main/res/values-az/strings.xml

briar-android/src/main/res/values-bg/strings.xml

briar-android/src/main/res/values-bs/strings.xml

briar-android/src/main/res/values-ca/strings.xml